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Oracle Private Cloud Appliance exists in two different types of network architecture. One is built around a physical InfiniBand fabric; the other relies on physical high speed Ethernet connectivity. While the two implementations offer practically the same functionality, there are visible hardware and configuration differences. Consequently, each network architecture has its own requirements.
New systems with factory-installed Controller Software Release 2.4.x have an Ethernet-based network architecture. For customers upgrading a system with InfiniBand-based network architecture to Release 2.4.2 or newer, those network requirements are included as well. Refer to the sections that apply to your appliance.